Fig. 6 | Nature Communications

Fig. 6

From: Conductive 2D metal-organic framework for high-performance cathodes in aqueous rechargeable zinc batteries

Fig. 6

Charge-storage mechanism of Cu3(HHTP)2. a Cyclic voltammograms of Cu3(HHTP)2 recorded at different scan rates. b b-values for the Cu3(HHTP)2 electrodes plotted as a function of the potential for cathodic scans. c Capacitive and diffusion currents contributed to the charge-storage of Cu3(HHTP)2 at the rate of 0.5 mV s−1. d A self-discharge profile of Cu3(HHTP)2. The inset shows voltage profiles for the self-discharge test before and after storage

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